de.lmu.ifi.dbs.elki.database.query.similarity

Class AbstractSimilarityQuery<O,D extends Distance<D>>

java.lang.Object

de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery<O>

de.lmu.ifi.dbs.elki.database.query.similarity.AbstractSimilarityQuery<O,D>

All Implemented Interfaces:

DatabaseQuery, SimilarityQuery<O,D>

Direct Known Subclasses:

AbstractDBIDSimilarityQuery, PrimitiveSimilarityQuery

public abstract class AbstractSimilarityQuery<O,D extends Distance<D>>
extends AbstractDataBasedQuery<O>
implements SimilarityQuery<O,D>

A distance query serves as adapter layer for database and primitive similarity functions.

Field Summary

Fields inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

relation

Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery

HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE

Constructor Summary

Constructors

Constructor and Description
AbstractSimilarityQuery(Relation<? extends O> relation) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
abstract D	similarity(DBID id1, DBID id2) Returns the distance between the two objects specified by their object ids.
abstract D	similarity(DBID id1, O o2) Returns the distance between the two objects specified by their object ids.
abstract D	similarity(O o1, DBID id2) Returns the distance between the two objects specified by their object ids.
abstract D	similarity(O o1, O o2) Returns the distance between the two objects specified by their object ids.

Methods inherited from class de.lmu.ifi.dbs.elki.database.query.AbstractDataBasedQuery

getRelation

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.lmu.ifi.dbs.elki.database.query.similarity.SimilarityQuery

getDistanceFactory, getRelation

Constructor Detail

AbstractSimilarityQuery

public AbstractSimilarityQuery(Relation<? extends O> relation)

Constructor.

Parameters:

relation - Relation to use.

Method Detail

similarity

public abstract D similarity(DBID id1,
           DBID id2)

Returns the distance between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O,D extends Distance<D>>

Parameters:

id1 - first object id

id2 - second object id

Returns:

the distance between the two objects specified by their object ids

similarity

public abstract D similarity(O o1,
           DBID id2)

Returns the distance between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O,D extends Distance<D>>

Parameters:

o1 - first object

id2 - second object id

Returns:

the distance between the two objects specified by their object ids

similarity

public abstract D similarity(DBID id1,
           O o2)

Returns the distance between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O,D extends Distance<D>>

Parameters:

id1 - first object id

o2 - second object

Returns:

the distance between the two objects specified by their object ids

similarity

public abstract D similarity(O o1,
           O o2)

Returns the distance between the two objects specified by their object ids.

Specified by:

similarity in interface SimilarityQuery<O,D extends Distance<D>>

Parameters:

o1 - first object

o2 - second object

Returns:

the distance between the two objects specified by their object ids